.card-container {
    perspective: 1000px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.card {
    width: 300px;
    height: 450px;
    position: relative;
    transform-style: preserve-3d;
    transition: transform 0.8s;
    cursor: pointer;
}

.card.is-flipped {
    transform: rotateY(180deg);
}

.card-face {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    box-sizing: border-box;
    background: rgba(10, 10, 10, 0.8);
}

.card-front {
    background: rgba(10, 10, 10, 0.8);
    color: white;
}

.card-back {
    background: rgba(10, 10, 10, 0.8);
    color: #ffffff;
    transform: rotateY(180deg);
}

.logo5 img {
    width: 150px;
    height: auto;
}

h2 {
    margin: 10px 0;
}

p {
    margin: 5px 0;
}

.hint {
    margin-top: 20px;
    font-size: 0.95rem;
    color: #b1abab;
    text-align: center;
    width: 100%;
}

/* تنسيقات خاصة بأيقونات الكارت الخلفي */
.card-back .social-icons-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin: 15px 0;
    width: 100%;
}

.card-back .contact-icons-container {
    display: flex;
    justify-content: center;
    gap: 25px;
    margin: 10px;
    width: 100%;
}

.card-back .social-icon-item {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.card-back .contact-icon-item {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

.card-back .social-icon-item:hover,
.card-back .contact-icon-item:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* ألوان الأيقونات */
.card-back .facebook { background-color: #3b5998; }
.card-back .facebook:hover { background-color: #2d4373; box-shadow: 0 8px 20px rgba(59, 89, 152, 0.4); }

.card-back .twitter { background-color: #1da1f2; }
.card-back .twitter:hover { background-color: #0d8bd9; box-shadow: 0 8px 20px rgba(29, 161, 242, 0.4); }

.card-back .instagram { background: linear-gradient(45deg, #f09433, #e6683c, #dc2743, #cc2366, #bc1888); }
.card-back .instagram:hover { background: linear-gradient(45deg, #da8323, #d2542a, #c51c37, #b21c5a, #a21575); }

.card-back .youtube { background-color: #ff0000; }
.card-back .youtube:hover { background-color: #cc0000; box-shadow: 0 8px 20px rgba(255, 0, 0, 0.4); }

.card-back .linkedin { background-color: #0077b5; }
.card-back .linkedin:hover { background-color: #005582; box-shadow: 0 8px 20px rgba(0, 119, 181, 0.4); }

.card-back .whatsapp { background-color: #25d366; }
.card-back .whatsapp:hover { background-color: #1da851; box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4); }

.card-back .phone { background-color: #673ab7; }
.card-back .phone:hover { background-color: #512da8; box-shadow: 0 8px 20px rgba(103, 58, 183, 0.4); }

.card-back .email { background-color: #e91e63; }
.card-back .email:hover { background-color: #c2185b; box-shadow: 0 8px 20px rgba(233, 30, 99, 0.4); }

.card-back .contact-info {
    margin: 10px 0;
    color: #fff;
    text-align: center;
    font-size: 14px;
}

/* responsive */
@media(max-width:480px){
    .card { width:250px; height:375px; }
    .logo5 img { width:100px; }
    h2 { font-size:1.2rem; }
    p { font-size:0.9rem; }
    .card-back .social-icon-item { width: 35px; height: 35px; font-size: 14px; }
    .card-back .contact-icon-item { width: 40px; height: 40px; font-size: 16px; }
}